566399234025 has 81 divisors (see below), whose sum is σ = 1024963355767. Its totient is φ = 298990941600.

The previous prime is 566399233991. The next prime is 566399234087. The reversal of 566399234025 is 520432993665.

It is a happy number.

The square root of 566399234025 is 752595.

It is a perfect power (a square), and thus also a powerful number.

566399234025 is a `hidden beast` number, since 566 + 39 + 9 + 2 + 3 + 40 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 203903724249 + 362495509776 = 451557^2 + 602076^2 .

It is not a de Polignac number, because 566399234025 - 2¹⁷ = 566399102953 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1478848984 + ... + 1478849366.

Almost surely, 2^566399234025 is an apocalyptic number.

566399234025 is the 752595-th square number.

566399234025 is the 376298-th centered octagonal number.

It is an amenable number.

566399234025 is a deficient number, since it is larger than the sum of its proper divisors (458564121742).

566399234025 is an equidigital number, since it uses as much as digits as its factorization.

566399234025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 566399234025 in words is "five hundred sixty-six billion, three hundred ninety-nine million, two hundred thirty-four thousand, twenty-five".